diff --git a/src/mouse.c b/src/mouse.c
index 10b991b..4bff48e 100644
--- a/src/mouse.c
+++ b/src/mouse.c
@@ -1989,7 +1989,7 @@
 	count |= CURSOR_MOVED;		// Cursor has moved
 
 # ifdef FEAT_FOLDING
-    if (mouse_char == '+')
+    if (mouse_char == fill_foldclosed)
 	count |= MOUSE_FOLD_OPEN;
     else if (mouse_char != ' ')
 	count |= MOUSE_FOLD_CLOSE;